Slider#

Availability (Key)#

macOS

GTK

Windows

iOS

Android

Web

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Usage#

Reference#

class toga.widgets.slider.Slider(id=None, style=None, value=None, range=None, tick_count=None, on_change=None, on_slide=None, on_press=None, on_release=None, enabled=True, factory=None, default=None)#

Slider widget, displays a range of values.

Parameters:

  • id – An identifier for this widget.

  • style (Style) –

  • value (float) – Initial value of the slider

  • range (tuple) – Min and max values of the slider in this form (min, max).

  • tick_count (int) – How many ticks in range. if None, slider is continuous.

  • on_change (callable) – The handler to invoke when the slider value changes.

  • on_press (callable) – The handler to invoke when the slider has been pressed.

  • on_release (callable) – The handler to invoke when the slider has been released.

  • enabled (bool) – Whether user interaction is possible or not.

MIN_WIDTH = 100#
property max#
property min#
property on_change#

The function for when the value of the slider is changed.

Returns:

The callable that is executed when the value changes.

property on_press#

The function for when the user click the slider before sliding it.

Returns:

The callable that is executed when the slider is clicked.

property on_release#

The function for when the user release the slider after sliding it.

Returns:

The callable that is executed when the slider is released.

property on_slide#

The function for when the value of the slider is changed.

DEPRECATED: renamed as on_change

Returns:

The callable that is executed on slide.

property range#

Range composed of min and max slider value.

Returns:

Returns the range in a tuple like this (min, max)

property tick_count#
property tick_step#
property tick_value#

The value of the slider, measured in ticks.

If tick count is not None, a value between 1 and tick count. Otherwise, None.

property value#

Current slider value.

Returns:

The current slider value as a float.

Raises:

ValueError – If the new value is not in the range of min and max.